I had to perform some work on my home phone line including running new cable to a newly installed patch panel. I was suprised to notice that the existing cable had simply been twisted onto the incoming cable pair so this was quickly remedied.
Anyway, the incoming cable contained a single pair comprising of yellow and black wires. There had been several fingers in the pie and the cabling through the house was quite a mess, and figuring out the colour codes took a little bit of work, Here’s a guide for those living in an older NZ home who need to perform work on the phone line:
|Existing house wiring||Red||White|
|Flexible phone leads||Green||Red|
If you are still unsure, grab an LED and 10k resistor and connect the across the line. If it glows, the cathode is connected to tip and the anode to ring.
|BS6312 (BT style)||5||2|